Catalyst University
Type I vs Type II Diabetes EXPLAINED
In this video, we will explore the differences between type I and type II diabetes mellitus after reviewing the normal physiology.
Catalyst University
The Coronavirus Replication Cycle
In this video, I explain how the Coronavirus (COVID-19) infects and replicates inside the host’s cells.
Catalyst University
Enzyme Inhibitors | Mechanisms, Michaelis-Menten Plots, & Effects
In this video, we will discuss the mechanisms of different types of biochemical inhibitors, how to interpret their Michaelis-Menten plots, and their effects on Vmax and Km of enzymes.
Catalyst University
Plantar Fasciitis | Treatments (Self-Manual Therapy & Stretches)
In this video, we will explore several treatment options for plantar fasciitis including forms of self-manual therapy and stretches of the plantar fascia.
Catalyst University
Pharmacology of the Clotting (Coagulation) Cascade
In this video, we explore the mechanisms of action of drugs affecting some aspect of the clotting cascade including factor Xa, thrombin, and plasmin.
Catalyst University
Rear Naked Choke | How Does It Work?
In this video, we discuss the mechanism of how the MMA/jujutsu technique, rear naked choke, causes the opponent to pass out.
Catalyst University
Cyriax Release-Based Treatment (for Thoracic Outlet Syndrome)
In this video, I explain and demonstrate a treatment for thoracic outlet syndrome (TOS), specifically for individuals who demonstrate a (+) Cyriax release test.
Catalyst University
Mechanisms of Spasticity and Baclofen [Biochemical & Macroscopic]
In this video, we explore the mechanisms of spasticity and baclofen, the major drug used in the treatment of spasticity. Also be sure to check out my video on the Modified Ashworth Scale!
Catalyst University
Classifying Burns EXPLAINED
In this video, we discuss the classification of burn injuries from first degree to third/fourth degree.
Catalyst University
The Pupillary Light Reflex | Structure & Clinical Interpretation
In this video, we discuss the structure and physiology of the pupillary light reflex, a reflex arc that includes the optic nerves and oculomotor nerves (CNs II & III).
Catalyst University
Basics of Drug Interactions EXPLAINED | Inhibition & Induction
In this video, we explore the basic mechanisms of drug interactions (inhibition and induction), using examples with cytochrome P450 and two drugs, drug A and drug B.
Catalyst University
Nystagmus EXPLAINED 👀 | Visualizing & Interpretation
In this video, we explore nystagmus. We explore how you determine the type of nystagmus (upbeating, downbeating, geotropic, and ageotropic nystagmus) from their linear and torsional components.
Catalyst University
Parkinson's Disease [Part 1] | The 4 Cardinal Signs
In this video, we explore the major signs and symptoms of Parkinson’s disease including the 4 cardinal signs.
Catalyst University
Romberg & Sharpened Romberg Tests EXPLAINED
In this video, I explain and demonstrate the Romberg and Sharpened Romberg test, two related balance tests that are used in the assessment of sensory organization of balance.
Catalyst University
Guillain-Barré Syndrome | Mechanism & Presentation
In this video, we discuss the mechanism and clinical presentation of Guillain-Barré syndrome.
Catalyst University
Cell Cycle Regulators & Tumor Suppressor Genes | Proto-oncogenes & Oncogenes
In this video, we discuss the difference between proto-oncogene and oncogene AND the meaning of tumor suppressor genes. We also explore how dysfunction in any of these can lead to cancer.
Catalyst University
Vitamin D | Biosynthesis & the Vitamin D Receptor
In this video, we discuss the biosynthetic pathway for vitamin D and how vitamin D exerts its functions at the gene expression level. We also explore the clinical affect of statin therapy on vitamin D levels.
Catalyst University
The Pelvic Floor Muscles (Part 2) | Origins, Insertions, Actions, Etc.
In this video, we explore the pelvic diaphragm muscles of the pelvic floor, their effects on continence, and their origins, insertions, innervations, and actions.
Catalyst University
Kim and Jerk Tests [Posteroinferior Labral Tears] | Rationale & Interpretation
In this video, I explain and demonstrate several special tests used in the diagnosis of posteroinferior labral tears of the shoulder joint. More specifically, we cover the rationale, interpretation of results, and psychometric properties...
Catalyst University
Let's Differentiate the Types of Synovial Joints!
In this video, we discuss the 6 major classes of synovial (diarthrotic) joints, along with relevant examples, movements allowed, and other critical features.
Catalyst University
High Ankle Sprains | Anatomy, Presentation, Diagnosis, & Treatment Basics
In this video, we explore the clinical anatomy of high ankle sprains in addition to the diagnosis using special tests, the clinical presentation, and basics of treatment.
Catalyst University
Vestibulo-Oculomotor Reflex (VOR) EXPLAINED
In this video, we explore the structure of the vestibulo-oculomotor reflex, or VOR, and discuss how it appears in a healthy individual.
Catalyst University
Thyroid Hormones | Biosynthesis & Pharmacology
In this video, we discuss the biosynthesis of thyroid hormones, their mechanism of action, and any relevant targets in pharmacology.
Catalyst University
Muscles of Mastication [Part 1] | Origins, Insertions, Etc.
In this video, we will discuss the structure, functions, origins, insertions, innervations, and actions of the major muscles of mastication.